101255003020 has 96 divisors (see below), whose sum is σ = 225111914496. Its totient is φ = 38194675200.

The previous prime is 101255002997. The next prime is 101255003023. The reversal of 101255003020 is 20300552101.

It is not an unprimeable number, because it can be changed into a prime (101255003023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28544887 + ... + 28548433.

It is an arithmetic number, because the mean of its divisors is an integer number (2344915776).

Almost surely, 2^101255003020 is an apocalyptic number.

101255003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101255003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112555957248).

101255003020 is an abundant number, since it is smaller than the sum of its proper divisors (123856911476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101255003020 is a wasteful number, since it uses less digits than its factorization.

101255003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 101255003020 its reverse (20300552101), we get a palindrome (121555555121).

The spelling of 101255003020 in words is "one hundred one billion, two hundred fifty-five million, three thousand, twenty".